-
-using namespace std;
-#include "GEOMImpl_EllipseDriver.hxx"
-#include "GEOMImpl_IEllipse.hxx"
-#include "GEOMImpl_Types.hxx"
-#include "GEOM_Function.hxx"
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include <Standard_Stream.hxx>
+
+#include <GEOMImpl_EllipseDriver.hxx>
+#include <GEOMImpl_IEllipse.hxx>
+#include <GEOMImpl_Types.hxx>
+#include <GEOM_Function.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRep_Tool.hxx>
TopoDS_Shape aShape;
if (aType == ELLIPSE_PNT_VEC_RR) {
- Handle(GEOM_Function) aRefPoint = aCI.GetCenter();
+ // Center
+ gp_Pnt aP = gp::Origin();
+ Handle(GEOM_Function) aRefPoint = aCI.GetCenter();
+ if (!aRefPoint.IsNull()) {
+ TopoDS_Shape aShapePnt = aRefPoint->GetValue();
+ if (aShapePnt.ShapeType() != TopAbs_VERTEX) {
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: invalid center argument, must be a point");
+ }
+ aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
+ }
+ // Normal
+ gp_Vec aV = gp::DZ();
Handle(GEOM_Function) aRefVector = aCI.GetVector();
- TopoDS_Shape aShapePnt = aRefPoint->GetValue();
- TopoDS_Shape aShapeVec = aRefVector->GetValue();
- if (aShapePnt.ShapeType() == TopAbs_VERTEX &&
- aShapeVec.ShapeType() == TopAbs_EDGE) {
- gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
+ if (!aRefVector.IsNull()) {
+ TopoDS_Shape aShapeVec = aRefVector->GetValue();
+ if (aShapeVec.ShapeType() != TopAbs_EDGE) {
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: invalid normal vector argument, must be a vector or an edge");
+ }
+ TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(anE, V1, V2, Standard_True);
+ if (!V1.IsNull() && !V2.IsNull()) {
+ aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
+ if (aV.Magnitude() < gp::Resolution()) {
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: normal vector of zero length is given");
+ }
+ }
+ }
+
+ // Axes
+ gp_Ax2 anAxes (aP, aV);
+
+ // Main Axis vector
+ Handle(GEOM_Function) aRefVectorMaj = aCI.GetVectorMajor();
+ if (!aRefVectorMaj.IsNull()) {
+ TopoDS_Shape aShapeVec = aRefVectorMaj->GetValue();
+ if (aShapeVec.ShapeType() != TopAbs_EDGE) {
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: invalid major axis vector argument, must be a vector or an edge");
+ }
TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
TopoDS_Vertex V1, V2;
TopExp::Vertices(anE, V1, V2, Standard_True);
if (!V1.IsNull() && !V2.IsNull()) {
- gp_Vec aV (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
- gp_Ax2 anAxes (aP, aV);
- gp_Elips anEll (anAxes, aCI.GetRMajor(), aCI.GetRMinor());
- aShape = BRepBuilderAPI_MakeEdge(anEll).Edge();
+ gp_Vec aVM (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
+ if (aVM.Magnitude() < gp::Resolution()) {
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: major axis vector of zero length is given");
+ }
+ if (aV.IsParallel(aVM, Precision::Angular())) {
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: normal and major axis vectors are parallel");
+ }
+ // Axes defined with main axis vector
+ anAxes = gp_Ax2 (aP, aV, aVM);
}
}
- } else {
+ // Radiuses
+ double radiusMaj = aCI.GetRMajor();
+ double radiusMin = aCI.GetRMinor();
+ if ( radiusMaj < radiusMin )
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: a major radius is less that a minor one");
+ if ( radiusMin < 0.0 )
+ Standard_ConstructionError::Raise
+ ("Ellipse creation aborted: raduis must be positive");
+
+ // Ellipse
+ gp_Elips anEll (anAxes, radiusMaj, radiusMin);
+ aShape = BRepBuilderAPI_MakeEdge(anEll).Edge();
+ }
+ else {
}
if (aShape.IsNull()) return 0;
return 1;
}
+//================================================================================
+/*!
+ * \brief Returns a name of creation operation and names and values of creation parameters
+ */
+//================================================================================
-//=======================================================================
-//function : GEOMImpl_EllipseDriver_Type_
-//purpose :
-//=======================================================================
-Standard_EXPORT Handle_Standard_Type& GEOMImpl_EllipseDriver_Type_()
+bool GEOMImpl_EllipseDriver::
+GetCreationInformation(std::string& theOperationName,
+ std::vector<GEOM_Param>& theParams)
{
-
- static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
- if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
- static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
- if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
- static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
- if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
-
-
- static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
- static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_EllipseDriver",
- sizeof(GEOMImpl_EllipseDriver),
- 1,
- (Standard_Address)_Ancestors,
- (Standard_Address)NULL);
-
- return _aType;
-}
-
-//=======================================================================
-//function : DownCast
-//purpose :
-//=======================================================================
-const Handle(GEOMImpl_EllipseDriver) Handle(GEOMImpl_EllipseDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
-{
- Handle(GEOMImpl_EllipseDriver) _anOtherObject;
-
- if (!AnObject.IsNull()) {
- if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_EllipseDriver))) {
- _anOtherObject = Handle(GEOMImpl_EllipseDriver)((Handle(GEOMImpl_EllipseDriver)&)AnObject);
- }
+ if (Label().IsNull()) return 0;
+ Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
+
+ GEOMImpl_IEllipse aCI( function );
+ Standard_Integer aType = function->GetType();
+
+ theOperationName = "ELLIPSE";
+
+ switch ( aType ) {
+ case ELLIPSE_PNT_VEC_RR:
+ AddParam( theParams, "Center", aCI.GetCenter(), "Origin" );
+ AddParam( theParams, "Vector", aCI.GetVector(), "Z axis" );
+ AddParam( theParams, "Major Axis", aCI.GetVectorMajor(), "X axis");
+ AddParam( theParams, "Major radius", aCI.GetRMajor() );
+ AddParam( theParams, "Minor radius", aCI.GetRMinor() );
+ break;
+ default:
+ return false;
}
-
- return _anOtherObject ;
+
+ return true;
}
+
+IMPLEMENT_STANDARD_HANDLE (GEOMImpl_EllipseDriver,GEOM_BaseDriver);
+IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_EllipseDriver,GEOM_BaseDriver);
